Imagick::getImageSignature

(PECL imagick 2.0.0)

Imagick::getImageSignature — Generates an SHA-256 message digest

说锟斤拷

Imagick::getImageSignature ( void ) : string

Generates an SHA-256 message digest for the image pixel stream.

锟斤拷锟斤拷值

Returns a string containing the SHA-256 hash of the file.

锟斤拷锟斤拷锟届常

锟斤拷锟斤拷时锟阶筹拷 ImagickException锟斤拷